Choose, compare and go!

OnePlus 7 Vs Xiaomi Mi 9

OnePlus 7
Xiaomi Mi 9

How they compare

Customer reviews

OnePlus 7 Xiaomi Mi 9
Tell us how you really feel 3.2/5


OnePlus 7 Xiaomi Mi 9
Width 74.8 mm 74.7 mm
Height 157.7 mm 157.5 mm
Weight 182 g 173 g
Thickness 8.2 mm 7.6 mm
Volume 96.73 cm³ 89.42 cm³


OnePlus 7 Xiaomi Mi 9
Resolution 1080 x 2340 px 1080 x 2340 px
Density 402 ppi 403 ppi
Size 6.41 inches 6.39 inches


OnePlus 7 Xiaomi Mi 9
Battery capacity 3700 mAh* 3300 mAh*
Removable battery No No
Wireless charging No Yes
Fast charging Yes Yes
Ultra power saving mode Yes Yes

*Refurbished devices sold on Back Market offer at least 80% of this maximum charge capacity.


OnePlus 7 Xiaomi Mi 9
Maximum storage 256 GB 128 GB
CPU frequency 2.84 GHz 2.84 GHz
Number of processor cores 8 8
External memory slot No No
RAM capacity 8 GB 8 GB
5G support Yes Yes
LTE support Yes Yes


OnePlus 7 Xiaomi Mi 9
Front camera resolution 16 MP 20 MP
Main camera resolution 48 MP 48 MP
Multi lens Yes Yes
Optical zoom No Yes
Flash Yes Yes
Optical stabilization Yes No
Slow motion video Yes Yes
Main camera video resolution 2160 px 2160 px


OnePlus 7 Xiaomi Mi 9
Stereo speakers Yes No
3.5mm jack socket No No
Radio No No
Number of microphones 2 2
From phones to fridges, you can’t choose wrong.

Back Market only sells the highest quality renewed items, at the best prices, risk-free.

Easy returns Easy returns

Not that into it? No worries. Return any item for a full refund within the first 30 days

Positive impact Positive impact

By buying renewed, you're keeping e-waste out of landfills. Huzzah!

Strict quality control Strict quality control

Our partner merchants are continuously monitored

Caring customer service Caring customer service

Our friendly support team is always on standby

Our recent comparisons

See all articles